The CPC areas currently undergoing maintenance (MP) or revision (RP) are listed in the table below together with the corresponding project number. The outcome of these projects will be summarized in a Notice of Change pre-released one month before the corresponding changes are implemented in the CPC scheme.
Project |
Status |
CPC |
Title |
RP12401 |
Active |
A01K |
Fish-hooks; Artificial baits for fishing |
RP11659 |
Active |
A01K, A61D |
Animal husbandry |
RP10480 |
Active |
A41G |
ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS |
MP11897 |
Active |
A61B |
Removal of non limiting references from scheme |
RP11992 |
Active |
A61G |
TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS |
RP11991 |
Active |
A61J |
CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES |
RP11785 |
Active |
A61K |
Changes to A61K41 |
RP12262 |
Active |
A61K |
A61K48 Gene Therapy |
MP12696 |
Active |
A61K |
Follow-up RP12360 |
MP11676 |
Active |
A61K |
Definitions A61K9 and A61K47 |
RP10468 |
Active |
A61K, Y10S |
Bacterial antigens |
RP11946 |
Active |
A61M |
Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way |
MP12708 |
Active |
A61M, B05B, B60G, B66B, B67C, E05B, F16D, G03B, G05B, G06F, G07F, G08B, H03H, H03J, H04B, H04N |
[IPC2025.01](M837) Review the use of terminology "master/slave" |
MP12503 |
Active |
A61M, B23D, B60C |
Various - correction of CPC only notes in scheme lacking curly brackets |
RP12149 |
Active |
A63B, A63C |
SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE |
RP11802 |
Active |
B01J |
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof |
MP10332 |
Active |
B01J |
C-SETS |
MP11959 |
Active |
B01L |
Removal of additional NLR |
RP11745 |
Active |
B05B |
Spraying apparatus |
RP11955 |
Active |
B08B |
Cleaning |
RP12170 |
Active |
B21C |
MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL |
RP11669 |
Active |
B32B, D01D, D04H |
Deleting outdated Warnings and not used groups in D04H |
MP12700 |
Active |
B60K |
[IPC2025.01](F170) Instrumentation or dashboards for vehicles |
RP11836 |
Active |
C04B |
Fillers for mortars, concrete or artificial stone |
MP12313 |
Active |
C07D |
Heterocyclic Compounds Guidance Headings |
RP12293 |
Active |
C07F |
Housekeeping in C07F7 and C07F9 |
MP11852 |
Active |
C07G |
C07G scheme and definition changes |
RP11530 |
Active |
C07K |
Peptides: Peptides having more than 20 amino acids, and Immunoglobulins; Ion Channels (C07K14) |
RP12019 |
Active |
C08C |
C08C19 Scheme and definitions |
RP12030 |
Active |
C08G |
Polysiloxanes C08G77 |
RP11804 |
Active |
C10M, C10N |
To clarify what classifies in C10M & C10N |
RP11657 |
Active |
C12N |
C12N9 IPC alignment |
MP12018 |
Active |
C12N |
Mutation or genetic engineering |
MP12179 |
Active |
C12Q |
MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS |
MP12083 |
Active |
C21B, C21C |
NLR in C21B and C21C |
MP12140 |
Active |
C22C |
ALLOYS |
RP12250 |
Active |
C23C, E02B, F16H, F16J, G01R, H03M |
Removal of outdated warnings |
RP12311 |
Active |
F01N |
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES |
MP12247 |
Active |
F02F |
CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES |
MP12294 |
Active |
F02N |
Starting of combustion engines; Starting aids for such engines, not otherwise provided for |
RP10485 |
Active |
F16H |
GEARING |
RP11830 |
Active |
F16M |
FRAMES, CASINGS, OR BEDS OF ENGINES |
RP12316 |
Active |
F21S |
Portable and non-portable lighting devices |
RP12325 |
Active |
F21V |
Features of Lighting Devices |
RP12426 |
Active |
F23B |
METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL |
RP12295 |
Active |
F23D |
Burners |
RP12411 |
Active |
F24D, F24H |
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL |
RP12292 |
Active |
F25B |
Indexing scheme associated with refrigeration machines |
MP12318 |
Active |
F25J |
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT |
RP12222 |
Active |
F41G |
Sighting devices |
MP12034 |
Active |
G01C |
Measuring, follow-up project |
MP12705 |
Active |
G01J, H10B, H10K, H10N |
[IPC2025.01](M633) Proposals for improving the IPC - Electricity, Physics |
RP12082 |
Active |
G01N |
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES |
RP11803 |
Active |
G01N |
G01N 30 Chromatography |
RP11980 |
Active |
G06Q |
Administration; Management (business methods CPC ONLY |
RP11981 |
Active |
G06Q |
Commerce, e.g. shopping or e-commerce (CPC only) |
RP11982 |
Active |
G06Q |
Finance; Insurance; Tax strategies; Processing of corporate or income taxes (CPC only) |
RP12174 |
Active |
G21B |
FUSION REACTORS |
MP12252 |
Active |
H01C |
Resistors |
RP12035 |
Active |
H01F |
MAGNETS |
MP12098 |
Active |
H01L |
Arrangements for connecting or disconnecting semiconductor or solid-state bodies |
MP12386 |
Active |
H03G |
Follow-up of IPC2024 implementation project to correct NLR & other issues in CPC |
MP12387 |
Active |
H03L |
Follow-up of IPC2024 implementation project to correct NLR & other issues in CPC |
RP12306 |
Active |
H04L |
Network arrangements, protocols or services for addressing or naming |
MP12721 |
Active |
H04L |
[IPC2026.01](C532) Title of group H04L12/14 |
RP12303 |
Active |
H04M |
Warnings at H04M |
RP11832 |
Active |
H04W |
Synchronisation arrangements; Affiliation to network, e.g. registration Terminating affiliation with the network |
MP12697 |
Active |
H10 |
[IPC2025.01](C510) H10 Title & Glossary; Overall H01L to H10 migration |